EP3534455B1 - Funkfrequenzfilter mit hohlraumstruktur - Google Patents

Funkfrequenzfilter mit hohlraumstruktur Download PDF

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Publication number
EP3534455B1
EP3534455B1 EP17864539.6A EP17864539A EP3534455B1 EP 3534455 B1 EP3534455 B1 EP 3534455B1 EP 17864539 A EP17864539 A EP 17864539A EP 3534455 B1 EP3534455 B1 EP 3534455B1
Authority
EP
European Patent Office
Prior art keywords
cover
tuning
housing
radio frequency
coupling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17864539.6A
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English (en)
French (fr)
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EP3534455A4 (de
EP3534455A1 (de
Inventor
Joung-Hoe KIM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KMW Inc
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KMW Inc
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Publication of EP3534455A1 publication Critical patent/EP3534455A1/de
Publication of EP3534455A4 publication Critical patent/EP3534455A4/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/207—Hollow waveguide filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/04—Fixed joints
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2053—Comb or interdigital filters; Cascaded coaxial cavities the coaxial cavity resonators being disposed parall to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2133—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using coaxial filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
    • H01P11/007—Manufacturing frequency-selective devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
    • H01P11/008—Manufacturing resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/04—Coaxial resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/10—Dielectric resonators

Definitions

  • Radio frequency filters having such a cavity structure are used for processing radio transmit signals and receive signals in a radio communication system.
  • the radio frequency filters are typically used for base stations, repeaters or relays and the like.
  • the housing 21, the cavity structure formed by the housing 21 and the structure of the resonance element 41 may be configured similar to the conventional ones, and the housing 21 and the resonance element 41 may be made of aluminum (alloy) material.
  • the cover 11 according to at least one embodiment of the present disclosure may be made of the same material as that of the housing 21, that is, an aluminum-based material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Casings For Electric Apparatus (AREA)

Claims (3)

  1. Ein Hochfrequenzfilter mit einer Hohlraumstruktur, wobei das Hochfrequenzfilter Folgendes umfasst:
    ein Gehäuse (22), das im Inneren einen Hohlraum und eine offene Seite aufweist, um mindestens einen Hohlraum zu bilden;
    mindestens ein Resonanzelement (42), das sich in dem Hohlraum des Gehäuses (22) befindet;
    einen Deckel (12), der so konfiguriert ist, dass er die offene Seite des Gehäuses (22) verschließt, und der mindestens ein Durchgangsloch (122) umfasst, das mit einem Innengewinde versehen ist und einen vorbestimmten Durchmesser an einer Position aufweist, die dem mindestens einen Resonanzelement (42) entspricht;
    eine Abstimm-Metallplatte (62), die zwischen der Abdeckung (12) und dem Gehäuse (22) angeordnet ist und in ihrer Größe der Abdeckung (12) entspricht; und
    mindestens eine Frequenzabstimmungsschraube (32), die so konfiguriert ist, dass sie mit dem mindestens einen Durchgangsloch des Deckels (12) verschraubt werden kann,
    so dass die Abstimm-Metallplatte (62) lokal entsprechend und durch die mindestens eine Frequenzabstimmungsschraube (32) in Richtung des mindestens einen Resonanzelements (42) gedrückt wird,
    dadurch gekennzeichnet, dass das mindestens eine Durchgangsloch (122) der Abdeckung (12) ein unteres Ende aufweist, das an der Abstimm-Metallplatte (62) anliegt und mit einem abgestuften Abschnitt (b) ausgebildet ist, so dass es einen größeren Durchmesser als ein Durchmesser anderer Abschnitte aufweist.
  2. Hochfrequenzfilter nach Anspruch 1, wobei die Abstimm-Metallplatte (62) durch ein Lötverfahren fest an der Abdeckung (12) angebracht ist.
  3. Hochfrequenzfilter nach Anspruch 1 oder 2, wobei
    das Gehäuse (22) mindestens zwei Hohlräume aufweist,
    die mindestens zwei Hohlräume ein Kopplungsfenster (224) aufweisen, das als Verbindungsdurchgang zwischen den Hohlräumen ausgebildet ist,
    der Deckel (12) ein Schraubenloch (124) aufweist, das in dem Deckel (120) an einer Position ausgebildet ist, die dem Kopplungsfenster (224) entspricht,
    die Metallplatte (62) mit einem Durchgangsloch (622) zur Kupplungsabstimmung an einer Position versehen ist, die dem in der Abdeckung (120) ausgebildeten Schraubenloch (124) entspricht, und
    eine Kupplungsabstimmungsschraube (52), die mit dem Schraubenloch (124) verschraubt ist, in Richtung des Kupplungsfensters (224) durch das Schraubenloch (124) und das Durchgangsloch (622) zur Kupplungsabstimmung vorsteht.
EP17864539.6A 2016-10-25 2017-10-17 Funkfrequenzfilter mit hohlraumstruktur Active EP3534455B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160139478A KR102642238B1 (ko) 2016-10-25 2016-10-25 캐비티 구조를 가진 무선 주파수 필터
PCT/KR2017/011444 WO2018080078A1 (ko) 2016-10-25 2017-10-17 캐비티 구조를 가진 무선 주파수 필터

Publications (3)

Publication Number Publication Date
EP3534455A1 EP3534455A1 (de) 2019-09-04
EP3534455A4 EP3534455A4 (de) 2020-05-27
EP3534455B1 true EP3534455B1 (de) 2023-08-23

Family

ID=62023864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17864539.6A Active EP3534455B1 (de) 2016-10-25 2017-10-17 Funkfrequenzfilter mit hohlraumstruktur

Country Status (7)

Country Link
US (1) US10998603B2 (de)
EP (1) EP3534455B1 (de)
JP (1) JP7171554B2 (de)
KR (1) KR102642238B1 (de)
CN (2) CN109845028B (de)
FI (1) FI3534455T3 (de)
WO (1) WO2018080078A1 (de)

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KR101954641B1 (ko) * 2017-04-11 2019-03-07 주식회사 에이스테크놀로지 탄성체를 이용한 튜닝 구조를 가지는 rf 캐비티 필터
US10505244B2 (en) 2017-03-17 2019-12-10 Ace Technologies Corporation RF cavity filter using elastic element and method for manufacturing the same
KR102034603B1 (ko) * 2017-12-29 2019-10-21 주식회사 에이스테크놀로지 데브리(debris) 유입 방지를 위해 고탄성 플레이트 탄성체를 갖는 RF 캐비티 필터 및 이의 제조 방법
KR102077476B1 (ko) * 2018-04-13 2020-02-17 주식회사 에이스테크놀로지 Pimd로 인한 성능 저하에 강인한rf 캐비티 필터 및 rf 캐비티 필터 제조 방법
CN110518317A (zh) * 2019-09-23 2019-11-29 石家庄滤通微波科技有限公司 一种无螺钉小型化腔体滤波器的实现方法
KR20220006734A (ko) * 2020-07-09 2022-01-18 삼성전자주식회사 무선 통신 시스템에서 안테나 필터 및 이를 포함하는 전자 장치
KR102440354B1 (ko) * 2020-09-14 2022-09-05 주식회사 에이스테크놀로지 튜닝 구조가 일체화된 커버를 가지는 rf 캐비티 필터
EP4250473A1 (de) * 2020-11-20 2023-09-27 KMW Inc. Hf-modul für antenne, hf-modulanordnung und antennenvorrichtung damit

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Publication number Priority date Publication date Assignee Title
EP3214693A1 (de) * 2014-10-28 2017-09-06 KMW Inc. Drahtlosfrequenzfilter mit resonatorstruktur

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Also Published As

Publication number Publication date
EP3534455A4 (de) 2020-05-27
US10998603B2 (en) 2021-05-04
CN109845028B (zh) 2023-03-17
FI3534455T3 (fi) 2023-11-20
JP2019531664A (ja) 2019-10-31
US20190252750A1 (en) 2019-08-15
KR20180045413A (ko) 2018-05-04
CN109845028A (zh) 2019-06-04
JP7171554B2 (ja) 2022-11-15
KR102642238B1 (ko) 2024-03-04
EP3534455A1 (de) 2019-09-04
WO2018080078A1 (ko) 2018-05-03
CN116053737A (zh) 2023-05-02

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